78847220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{947}}^1$

素因数の和:1160

約数の個数: 48

約数和(自身を含む): 173916288

約数和(自身を除く): 95069068

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 181, 230, 362, 460, 724, 905, 947, 1810, 1894, 3620, 3788, 4163, 4735, 8326, 9470, 16652, 18940, 20815, 21781, 41630, 43562, 83260, 87124, 108905, 171407, 217810, 342814, 435620, 685628, 857035, 1714070, 3428140, 3942361, 7884722, 15769444, 19711805, 39423610, 78847220]

約数ペア:

[(1, 78847220), (2, 39423610), (4, 19711805), (5, 15769444), (10, 7884722), (20, 3942361), (23, 3428140), (46, 1714070), (92, 857035), (115, 685628), (181, 435620), (230, 342814), (362, 217810), (460, 171407), (724, 108905), (905, 87124), (947, 83260), (1810, 43562), (1894, 41630), (3620, 21781), (3788, 20815), (4163, 18940), (4735, 16652), (8326, 9470)]